Home / 12,289,884-16,965,779.48-7,132,249.10

Finding the Fourth Proportional to 12,289,884, 16,965,779.48 and 7,132,249.10

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Solution

The fourth proportional to 12,289,884, 16,965,779.48 and 7,132,249.10 is: 9,845,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,884 : 16,965,779.48 = 7,132,249.10 : x
  2. Step 2: Convert to fraction form
    12,289,884/16,965,779.48 = 7,132,249.10/x
  3. Step 3: Cross multiply
    12,289,884x = 16,965,779.48 × 7,132,249.10
  4. Step 4: Simplify right side
    12,289,884x = 121,004,165,306,538.33
  5. Step 5: Solve for x
    x = 121,004,165,306,538.33/12,289,884
  6. Step 6: Final answer
    x = 9,845,834.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.